n. 25B6; noun a daunting task : JOB, duty, chore, charge, assignment, detail, mission, engagement, occupation, undertaking, exercise, business, responsibility, burden, endeavour, enterprise, venture.
25A0; take someone to task REBUKE, reprimand, reprove, reproach, remonstrate with, upbraid, scold, berate, lecture, censure, criticize, admonish, chide, chasten, arraign; informal tell off, bawl out, give someone a dressing-down; Brit. informal tick off, carpet; formal castigate.